$(document).ready(function(){
    /* This code is executed after the DOM has been completely loaded */

    var totWidth=0;
    var positions = new Array();

    $('#slides .slide').each(function(i){
        /* Traverse through all the slides and store their accumulative widths in totWidth */
        positions[i] = totWidth;
        totWidth += $(this).width();
        /* The positions array contains each slide's commulutative offset from the left part of the container */
        if(!$(this).width())
        {
            alert("Please, fill in width & height for all your images!");
            return false;
        }
    });
    $('#slides').width(totWidth);

    var menuTotWidth = 0;
    var menuPositions = new Array();
    $('.menuItem').each(function(i){
        menuPositions[i] = menuTotWidth;
        menuTotWidth += $(this).width();
    });
    $('#slide-menu').width(menuTotWidth+5);
    /* Change the cotnainer div's width to the exact width of all the slides combined */

    $('#slide-menu ul li a').click(function(e,keepScroll){

        /* On a thumbnail click */

        $('li.menuItem').removeClass('act').addClass('inact');
        $(this).parent().addClass('act');

        var pos = $(this).parent().prevAll('.menuItem').length;

        $('#slides').stop().animate({
            marginLeft:-positions[pos]+'px'
            },450);
        /* Start the sliding animation */

        e.preventDefault();
        /* Prevent the default action of the link */


        // Stopping the auto-advance if an icon has been clicked:
        if(!keepScroll) clearInterval(itvl);
    });

    $('#slide-menu ul li.menuItem:first').addClass('act').siblings().addClass('inact');
    /* On page load, mark the first thumbnail as active */



    /*****
	 *
	 *	Enabling auto-advance.
	 *
	 ****/

    var current=1;
    function autoAdvance()
    {
        if(current==-1) return false;

        $('#slide-menu ul li a').eq(current%$('#slide-menu ul li a').length).trigger('click',[true]);	// [true] will be passed as the keepScroll parameter of the click function on line 28
        current++;
    }

    // The number of seconds that the slider will auto-advance in:

    var changeEvery = 10;

    var itvl = setInterval(function(){
        autoAdvance()
        },changeEvery*1000);

/* End of customizations */
});